西门子（SIEMENS）3C认证正品，厦门彬硕自动化科技有限公司为您提供原装德国西门子（SIEMENS）低压电器，变频器，仪器仪表，电工设备，自动化配件等，因行业型号繁多，请来电咨询或者加Q联系。
SIEMENS低压电器产品,包括尚未取得3C(CCC)认证的产品.
熔断器 接触器 继电器 变压器 断路器 传感器 物位计 控制模块等等, 包括尚未取得3C(CCC)认证 的均为依法原装进口。
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如何使用户的驱动电路与SSR的输入特性相匹配
一般来讲，SSR的输入控制电压为3.2—32V。控制电流为5—30mA. 通常1—25A的SSR输入回路不是恒流源电路，输入控制电压为4—16V。控制电流为5—20mA.较大额定电流的SSR输入电路均接有恒流源电路。输入控制电压在3.2—32V均可。在三相电路里，如果用户将三个SSR的输入端串联的话，那么希望提供大于12V的控制电压；如果将三个SSR的输入端并联使用的话，那么驱动电流要保证50mA。单个SSR使用，驱动电流不要设计在4—5mA 的临界状态下至少要大于6mA。
德国西门子SIEMENS公司的前身是1847年创建于柏林的西门子——哈尔斯克电报机制造公司。1897年该公司改为股份公司，1966年正式取名为西门子公司。
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